Home / 39,924.60-55,093.68-22,019.64

Finding the Fourth Proportional to 39,924.60, 55,093.68 and 22,019.64

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Solution

The fourth proportional to 39,924.60, 55,093.68 and 22,019.64 is: 30,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,924.60 : 55,093.68 = 22,019.64 : x
  2. Step 2: Convert to fraction form
    39,924.60/55,093.68 = 22,019.64/x
  3. Step 3: Cross multiply
    39,924.60x = 55,093.68 × 22,019.64
  4. Step 4: Simplify right side
    39,924.60x = 1,213,142,999.88
  5. Step 5: Solve for x
    x = 1,213,142,999.88/39,924.60
  6. Step 6: Final answer
    x = 30,385.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.